Answer:
1.78m/s
Explanation:
Given parameters:
Velocity of the arrow = 22.8m/s
Height of the wall = 15.5m
Unknown:
Time taken for the arrow to reach the ground = ?
Solution:
To solve this problem we employ the appropriate motion equation:
H = ut + [tex]\frac{1}{2}[/tex] g t²
H is the height
u is the initial velocity = 0
g is the acceleration due to gravity = 9.8m/s²
t is the unknown time
15.5 = [tex]\frac{1}{2}[/tex] x 9.8 x t²
15.5 = 4.9t²
t² = 3.16
t = 1.78m/s
